<template>
    <div>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-card shadow="hover" class="mgb20" style="height:252px;">
                    <div class="user-info">
                        <img src="../../assets/img/img.jpg" class="user-avator" alt />
                        <div class="user-info-cont">
                            <div class="user-info-name">{{name}}</div>
                            <div>{{role}}</div>
                        </div>
                    </div>
                    <div class="user-info-list">
                        上次登录时间：
                        <span>2019-11-01</span>
                    </div>
                    <div class="user-info-list">
                        上次登录地点：
                        <span>东莞</span>
                    </div>
                </el-card>
                <el-card shadow="hover" style="height:252px;">
                    <div slot="header" class="clearfix">
                        <span>语言详情</span>
                    </div>Vue
                    <el-progress :percentage="71.3" color="#42b983"></el-progress>JavaScript
                    <el-progress :percentage="24.1" color="#f1e05a"></el-progress>CSS
                    <el-progress :percentage="13.7"></el-progress>HTML
                    <el-progress :percentage="5.9" color="#f56c6c"></el-progress>
                </el-card>
            </el-col>
            <el-col :span="16">
                <el-row :gutter="20" class="mgb20">
                    <el-col :span="8">
                        <el-card shadow="hover" :body-style="{padding: '0px'}">
                            <div class="grid-content grid-con-1">
                                <i class="el-icon-lx-people grid-con-icon"></i>
                                <div class="grid-cont-right">
                                    <div class="grid-num">1234</div>
                                    <div>用户访问量</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                    <el-col :span="8">
                        <el-card shadow="hover" :body-style="{padding: '0px'}">
                            <div class="grid-content grid-con-2">
                                <i class="el-icon-lx-notice grid-con-icon"></i>
                                <div class="grid-cont-right">
                                    <div class="grid-num">321</div>
                                    <div>系统消息</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                    <el-col :span="8">
                        <el-card shadow="hover" :body-style="{padding: '0px'}">
                            <div class="grid-content grid-con-3">
                                <i class="el-icon-lx-goods grid-con-icon"></i>
                                <div class="grid-cont-right">
                                    <div class="grid-num">5000</div>
                                    <div>数量</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                </el-row>
                <el-card shadow="hover" style="height:403px;">
                    <div slot="header" class="clearfix">
                        <span>待办事项</span>
                        <el-button style="float: right; padding: 3px 0" type="text">添加</el-button>
                    </div>
                    <el-table :show-header="false" :data="todoList" style="width:100%;">
                        <el-table-column width="40">
                            <template v-slot="scope">
                                <el-checkbox v-model="scope.row.status"></el-checkbox>
                            </template>
                        </el-table-column>
                        <el-table-column>
                            <template v-slot="scope">
                                <div
                                    class="todo-item"
                                    :class="{'todo-item-del': scope.row.status}"
                                >{{scope.row.title}}</div>
                            </template>
                        </el-table-column>
                        <el-table-column width="60">
                            <template>
                                <i class="el-icon-edit"></i>
                                <i class="el-icon-delete"></i>
                            </template>
                        </el-table-column>
                    </el-table>
                </el-card>
            </el-col>
        </el-row>
        <el-row :gutter="20">
            <el-col :span="12">
                <el-card shadow="hover">
                    <schart ref="bar" class="schart" canvasId="bar" :options="options"></schart>
                </el-card>
            </el-col>
            <el-col :span="12">
                <el-card shadow="hover">
                    <schart ref="line" class="schart" canvasId="line" :options="options2"></schart>
                </el-card>
            </el-col>
        </el-row>
    </div>
</template>

<script>
import Schart from 'vue-schart'
// import bus from '../common/bus'
export default {
  name: 'dashboard',
  data () {
    return {
      name: localStorage.getItem('ms_username'),
      todoList: [
        {
          title: '今天要修复100个bug',
          status: false
        },
        {
          title: '今天要修复100个bug',
          status: false
        },
        {
          title: '今天要写100行代码加几个bug吧',
          status: false
        },
        {
          title: '今天要修复100个bug',
          status: false
        },
        {
          title: '今天要修复100个bug',
          status: true
        },
        {
          title: '今天要写100行代码加几个bug吧',
          status: true
        }
      ],
      data: [
        {
          name: '2018/09/04',
          value: 1083
        },
        {
          name: '2018/09/05',
          value: 941
        },
        {
          name: '2018/09/06',
          value: 1139
        },
        {
          name: '2018/09/07',
          value: 816
        },
        {
          name: '2018/09/08',
          value: 327
        },
        {
          name: '2018/09/09',
          value: 228
        },
        {
          name: '2018/09/10',
          value: 1065
        }
      ],
      options: {
        type: 'bar',
        title: {
          text: '最近一周各品类销售图'
        },
        xRorate: 25,
        labels: ['周一', '周二', '周三', '周四', '周五'],
        datasets: [
          {
            label: '家电',
            data: [234, 278, 270, 190, 230]
          },
          {
            label: '百货',
            data: [164, 178, 190, 135, 160]
          },
          {
            label: '食品',
            data: [144, 198, 150, 235, 120]
          }
        ]
      },
      options2: {
        type: 'line',
        title: {
          text: '最近几个月各品类销售趋势图'
        },
        labels: ['6月', '7月', '8月', '9月', '10月'],
        datasets: [
          {
            label: '家电',
            data: [234, 278, 270, 190, 230]
          },
          {
            label: '百货',
            data: [164, 178, 150, 135, 160]
          },
          {
            label: '食品',
            data: [74, 118, 200, 235, 90]
          }
        ]
      }
    }
  },
  components: {
    Schart
  },
  computed: {
    role () {
      return this.name === 'admin' ? '超级管理员' : '普通用户'
    }
  },
  // created() {
  //     this.handleListener();
  //     this.changeDate();
  // },
  // activated() {
  //     this.handleListener();
  // },
  // deactivated() {
  //     window.removeEventListener('resize', this.renderChart);
  //     bus.$off('collapse', this.handleBus);
  // },
  methods: {
    changeDate () {
      const now = new Date().getTime()
      this.data.forEach((item, index) => {
        const date = new Date(now - (6 - index) * 86400000)
        item.name = `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`
      })
    }
    // handleListener() {
    //     bus.$on('collapse', this.handleBus);
    //     // 调用renderChart方法对图表进行重新渲染
    //     window.addEventListener('resize', this.renderChart);
    // },
    // handleBus(msg) {
    //     setTimeout(() => {
    //         this.renderChart();
    //     }, 200);
    // },
    // renderChart() {
    //     this.$refs.bar.renderChart();
    //     this.$refs.line.renderChart();
    // }
  }
}
</script>

<style scoped>
.el-row {
    margin-bottom: 20px;
}

.grid-content {
    display: flex;
    align-items: center;
    height: 100px;
}

.grid-cont-right {
    flex: 1;
    text-align: center;
    font-size: 14px;
    color: #999;
}

.grid-num {
    font-size: 30px;
    font-weight: bold;
}

.grid-con-icon {
    font-size: 50px;
    width: 100px;
    height: 100px;
    text-align: center;
    line-height: 100px;
    color: #fff;
}

.grid-con-1 .grid-con-icon {
    background: rgb(45, 140, 240);
}

.grid-con-1 .grid-num {
    color: rgb(45, 140, 240);
}

.grid-con-2 .grid-con-icon {
    background: rgb(100, 213, 114);
}

.grid-con-2 .grid-num {
    color: rgb(45, 140, 240);
}

.grid-con-3 .grid-con-icon {
    background: rgb(242, 94, 67);
}

.grid-con-3 .grid-num {
    color: rgb(242, 94, 67);
}

.user-info {
    display: flex;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 2px solid #ccc;
    margin-bottom: 20px;
}

.user-avator {
    width: 120px;
    height: 120px;
    border-radius: 50%;
}

.user-info-cont {
    padding-left: 50px;
    flex: 1;
    font-size: 14px;
    color: #999;
}

.user-info-cont div:first-child {
    font-size: 30px;
    color: #222;
}

.user-info-list {
    font-size: 14px;
    color: #999;
    line-height: 25px;
}

.user-info-list span {
    margin-left: 70px;
}

.mgb20 {
    margin-bottom: 20px;
}

.todo-item {
    font-size: 14px;
}

.todo-item-del {
    text-decoration: line-through;
    color: #999;
}

.schart {
    width: 100%;
    height: 300px;
}
</style>
